Razor wire is also named concertina coils or razor type barbed wire. It is a kind of modern security fencing materials with better protection and fencing strength made of hot-dipped galvanized steel sheets or stainless steel sheets. With beautiful and sharp blades and strong core wire, razor wire has the features of secure fencing, easy installation, age resistance and other properties. 

Razor type barbed wire is widely used in high-grade residence district, warehouses, prisons and in military fields and other sites requiring severe fencing and security. Razor wire can be classified into straight type razor wire, concertina coils, crossed type and flat type according to the installation models.

Outside Diameter	No. of Loops	Standard Length per Coil	Type	Notes
450mm	33	8M	CBT-65	Single coil
500mm	41	10M	CBT-65	Single coil
700mm	41	10M	CBT-65	Single coil
960mm	53	13M	CBT-65	Single coil
500mm	102	16M	BTO-10.15.22	Cross type
600mm	86	14M	BTO-10.15.22	Cross type
700mm	72	12M	BTO-10.15.22	Cross type
800mm	64	10M	BTO-10.15.22	Cross type
960mm	52	9M	BTO-10.15.22	Cross type

Reference Number	Blade Style	Thickness	Wire Dia	Barb Length	Barb Width	Barb spacing
BTO-10		0.5±0.05	2.5±0.1	10±1	13±1	25±1
BTO-12		0.5±0.05	2.5±0.1	12±1	15±1	25±1
BTO-18		0.5±0.05	2.5±0.1	18±1	15±1	35±1
BTO-22		0.5±0.05	2.5±0.1	22±1	15±1	36±1
BTO-28		0.5±0.05	2.5	28	15	46±1
BTO-30		0.5±0.05	2.5	30	18	46±1
CBT-65		0.6±0.05	2.5±0.1	65±2	21±1	101±2